In the situation he was in those metrics are meaningless. It didn't matter if he scored 1, 2 or 3 points, he just needed to score in order to win the game.So Leonard passes up an opportunity to take a three, dribbles in to a contested 2pt shot and all of Canada celebrated?
Clearly they don't understand advance metrics and analytics.
If he had taken the tree there might have been time left on the clock giving the other team a possession and possible chance to win. So dribbling and taking what was guaranteed to be the last shot was the right move.